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/*
* Copyright 2021 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef skgpu_graphite_MtlGraphicsPipeline_DEFINED
#define skgpu_graphite_MtlGraphicsPipeline_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/core/SkSpan.h"
#include "include/ports/SkCFObject.h"
#include "src/gpu/graphite/GraphicsPipeline.h"
#include <memory>
#import <Metal/Metal.h>
namespace skgpu {
struct BlendInfo;
}
namespace skgpu::graphite {
class Attribute;
class Context;
class GraphicsPipelineDesc;
class MtlResourceProvider;
class MtlSharedContext;
struct RenderPassDesc;
class MtlGraphicsPipeline final : public GraphicsPipeline {
public:
inline static constexpr unsigned int kIntrinsicUniformBufferIndex = 0;
inline static constexpr unsigned int kRenderStepUniformBufferIndex = 1;
inline static constexpr unsigned int kPaintUniformBufferIndex = 2;
inline static constexpr unsigned int kVertexBufferIndex = 3;
inline static constexpr unsigned int kInstanceBufferIndex = 4;
using MSLFunction = std::pair<id<MTLLibrary>, std::string>;
static sk_sp<MtlGraphicsPipeline> Make(const MtlSharedContext*,
const std::string& label,
MSLFunction vertexMain,
SkSpan<const Attribute> vertexAttrs,
SkSpan<const Attribute> instanceAttrs,
MSLFunction fragmentMain,
sk_cfp<id<MTLDepthStencilState>>,
uint32_t stencilRefValue,
const BlendInfo& blendInfo,
const RenderPassDesc&,
PipelineInfo* pipelineInfo);
~MtlGraphicsPipeline() override {}
id<MTLRenderPipelineState> mtlPipelineState() const { return fPipelineState.get(); }
id<MTLDepthStencilState> mtlDepthStencilState() const { return fDepthStencilState.get(); }
uint32_t stencilReferenceValue() const { return fStencilReferenceValue; }
private:
MtlGraphicsPipeline(const skgpu::graphite::SharedContext* sharedContext,
PipelineInfo* pipelineInfo,
sk_cfp<id<MTLRenderPipelineState>> pso,
sk_cfp<id<MTLDepthStencilState>> dss,
uint32_t refValue);
void freeGpuData() override;
sk_cfp<id<MTLRenderPipelineState>> fPipelineState;
sk_cfp<id<MTLDepthStencilState>> fDepthStencilState;
uint32_t fStencilReferenceValue;
};
} // namespace skgpu::graphite
#endif // skgpu_graphite_MtlGraphicsPipeline_DEFINED